/* 呼吸灯效果 */
@keyframes breathe {
    0% {
        opacity: 0.2;
        background: rgba(255, 255, 255, 0.1) url(../images/74.png) center center no-repeat;
        background-size: 100% 100%;
        box-shadow: 0 1px 2px rgba(255, 255, 255, 0.1);
    }
    50% {
        opacity: 1;
        background: rgb(167, 170, 170) url(../images/74.png) center center no-repeat;
        background-size: 100% 100%;
        /* border:1px solid rgba(59,235,235,1); */
        box-shadow: 0 1px 30px rgb(240, 245, 245,);
    }
    100% {
        opacity: 0.2;
        background: rgba(255, 255, 255, 0.1) url(../images/74.png) center center no-repeat;
        background-size: 100% 100%;
        box-shadow: 0 1px 2px rgba(255, 255, 255, 0.1);
    }
}